KNOXVILLE, Tenn. (WVLT) - With a new area code coming to East Tennessee in September, 10-digit dialing will be required beginning next week.

All customers with the 423 area code should prepare for mandatory 10-digit dialing and the introduction of the new 729 area code. Starting Aug. 5, all local calls made within the 423 area code ...

Identify your telephone number as a 10-digit number and include the area code when giving the number to friends, family, business associates and customers, etc.

Soon, several East Tennessee counties will have a new area code, and it's going to add three more digits to many people's local calls.

10-digit dialing coming to 507 area code region Beginning July 30, 2024, all local calls made within the 507 area code region must be placed using 10 digits (area code + the 7-digit telephone number).

The Florida Public Service Commission says for people who have 904 as their area code, they'll have to start 10-digit dialing beginning on Jan. 29.

COLUMBIA, S.C. (WCIV) — Beginning July 19, all local calls made in the Upstate will be required to include the area code when dialing as the cities of Greenville, Spartanburg, and Anderson ...

Mid-Missouri callers are advised to prepare for 10-digit local dialing as a new area code is established to cover the area.

Local calls made in parts of East Tennessee's 423 area code, including Chattanooga, will need to be made dialing 10 digits soon because of a new area code: 729.

Missouri calls within the 573 area code region must be placed using 10 digits starting Saturday.

All customers with the 318 area code should prepare for 10-digit dialing and the introduction of the new 457 area code.